# MobilityControl vs Sandbook

The clearest difference is update cadence: MobilityControl at fortnightly against Sandbook's every 7 months. MobilityControl also leads on iOS requirement (15.5 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MobilityControl ships an update fortnightly, Sandbook every 7 months. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | MobilityControl | Sandbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (56 ratings)](https://appshunter.io/ios/app/sandbook-natural-voice-reader/id6745732885/reviews)** |
| Number of ratings | — | **56** |
| Positive reviews | — | 81.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | — | Free |
| Size | 17 MB | 433 MB |
| Requires iOS | **15.5** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mariusz Jakowienko](https://appshunter.io/developer/1807776038) | [SmashMelon LLC](https://appshunter.io/developer/1895995887) |

## What reviewers say

### MobilityControl

[App page](https://appshunter.io/ios/app/mobilitycontrol/id6744455092)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sandbook

[App page](https://appshunter.io/ios/app/sandbook-natural-voice-reader/id6745732885)

This app converts text into natural-sounding speech using an on-device model. Read ePub, PDF, and TXT files, type or paste text, or even read webpages aloud. Export audio files for offline listening with complete privacy.

**Highlights:** On-device text-to-speech, Reads ePub, PDF, TXT files, Type or paste text, Read webpages aloud, Export audio files, Privacy protection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MobilityControl free?

MobilityControl is free to download, with no in-app purchases.

### Is Sandbook free?

Sandbook is free to download, with no in-app purchases.

### Do MobilityControl or Sandbook have ads?

Neither MobilityControl nor Sandbook shows ads.

### Which is updated more often, MobilityControl or Sandbook?

MobilityControl ships an update fortnightly, and Sandbook every 7 months. Most recently, MobilityControl was updated on September 14, 2026 and Sandbook on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*